Publications
Insights & Analysis
Field notes on business systems, operations, and what actually changes when a process becomes a system.
Business SystemsData DesignInternal Controls
The button is not the guard
An approval was deducting a leave day twice. The obvious fix was to disable the button. The real fix was a constraint the application cannot argue with.
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Your spreadsheet can't settle a dispute
An employee says they worked overtime. Payroll says they didn't. You are not in a data problem — you are in a memory contest. Here is why that happens, and what to record instead.
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